Resend Node.js SDK
Resend's official client for its email API.
EmailUnified SDK
Email SDK
One typed email API over multiple delivery providers.
@opencoredev/email-sdkTypeScript / JavaScript
Overview
OpenCore's server-side adapter layer keeps transactional message calls consistent while using your existing provider accounts.
Best for
Transactional email with the option to change delivery providers.
Install
TypeScript / JavaScriptnpm install @opencoredev/email-sdkListed providers
7 listed- Resend
- Postmark
- SendGrid
- AWS SES
- Mailgun
- Brevo
- SMTP
Provider coverage does not imply identical APIs or features. Check the documentation for the integration you plan to use.
Features
- Typed adapter routing
- Delivery-aware retries and fallback
- Batch sends
- Offline testing adapters
Caveats
- Usage telemetry is enabled by default, including an anonymous persistent identifier, outcomes, and redacted error reports. Opt out with EMAIL_SDK_TELEMETRY=0, DO_NOT_TRACK=1, or telemetry: false.
- Provider accounts and charges remain separate.
- Field support and scheduling differ by adapter.
Sources & verification
- email-sdk.dev/docs (opens in a new tab)
- email-sdk.dev/docs/adapters (opens in a new tab)
- github.com/opencoredev/email-sdk (opens in a new tab)
Sources reviewed